Overview

​​Skydrol® is the most advanced aviation hydraulic fluid supported by recognized experts in phosphate-ester fluid technology. The Skydrol® line of fire resistant hydraulic fluids includes Skydrol® 500B-4, Skydrol® LD-4, Skydrol® 5 and Skydrol® PE-5. Skydrol® PE-5 was developed to meet the Type V hydraulic fluid requirements developed by Airbus, Boeing, and the hydraulic fluid manufacturers.